1<documentation title="Array Bracket Spacing">
2    <standard>
3    <![CDATA[
4    When referencing arrays you should not put whitespace around the opening bracket or before the closing bracket.
5    ]]>
6    </standard>
7    <code_comparison>
8        <code title="Valid: No spaces around the brackets.">
9        <![CDATA[
10$foo<em></em>[<em></em>'bar'<em></em>];
11]]>
12        </code>
13        <code title="Invalid: Spaces around the brackets.">
14        <![CDATA[
15$foo<em> </em>[<em> </em>'bar'<em> </em>];
16]]>
17        </code>
18    </code_comparison>
19</documentation>
20